25227004136 has 16 divisors (see below), whose sum is σ = 47564884800. Its totient is φ = 12543034864.

The previous prime is 25227004111. The next prime is 25227004169. The reversal of 25227004136 is 63140072252.

It is a super-2 number, since 2×25227004136² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8806880 + ... + 8809743.

It is an arithmetic number, because the mean of its divisors is an integer number (2972805300).

Almost surely, 2^25227004136 is an apocalyptic number.

It is an amenable number.

25227004136 is a deficient number, since it is larger than the sum of its proper divisors (22337880664).

25227004136 is a wasteful number, since it uses less digits than its factorization.

25227004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17616808 (or 17616804 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 25227004136 its reverse (63140072252), we get a palindrome (88367076388).

The spelling of 25227004136 in words is "twenty-five billion, two hundred twenty-seven million, four thousand, one hundred thirty-six".